TWM457971U - Photoelectronic coversion system - Google Patents

Abstract

An optical coupling device includes a substrate loaded with a first optical module and IC drivers, and a second optical module intending to couple with the first optical module. The substrate defines an electrical connection port at one end thereof, the first optical module is located at another end of the substrate. The second optical module includes a first insulating holder and fiber cores embedded in the insulating holder. The first optical module includes a second insulating holders and VCSELS and PDS embedded with the second insulating holder, the fiber cores are directly coupled with VCSELS and PDS to transmit light lines therein.

Description

Photoelectric conversion system

This creation relates to a photoelectric conversion system for use in an optoelectronic connection system, and more particularly to an optoelectronic transceiver.

As a kind of information, the optical fiber technology has become more and more popular through the secure transmission of communication networks. The use of optical fiber technology as an optical communication network indicates that high-speed data transmission with high bandwidth and high reliability is more and more. People know.

U.S. Patent No. 7,455,463 discloses a high speed connection device, such as a small form factor pluggable connector (SFP), which can be used to place various transceivers on a photoelectric conversion panel. The substrate includes a conductive tail having a plurality of conductive sheets, and the transceiver is disposed at the other end of the substrate, the transceiver including a transmitting optical element ("TOSA") and a receiving optical element ("ROSA"), each optical element being like a sealed The columns are separated from one another, including one or more portions that are transmitted and received, just like the processing and conversion of the circuit between the optical signal and the electrical signal. Each of the optical components typically includes various additional components, such as electrical connections to the transceiver substrate, and sometimes also on a circuit board (PCB).

However, each of the transmitting and receiving parts is only applicable to one type of optical fiber, and is still independent of each other, occupying a large space on the substrate and the high-speed connection device. A lens with a lens pin is assembled from the front end of the transmitting and receiving elements to complete the light transmission.

Therefore, in view of the above problems, it is necessary to propose a photoelectric conversion system to solve the above problems.

The purpose of this creation is to provide a photoelectric conversion system that can be applied to a variety of optical fibers.

In order to achieve the above object, the present invention adopts a technical solution: a photoelectric conversion system including a first optical transmission module, a second optical transmission module, and a substrate, wherein the substrate is provided with an IC driver, and one end of the substrate forms an electrical connection. The first optical transmission module is disposed at the other end of the substrate to form an optical connection interface, wherein the first optical transmission module includes a first insulating support frame and a vertical cavity surface emitting laser embedded in the first insulating support frame And a diode, the second optical transmission module includes a second insulating support frame and a core wire embedded in the optical fiber in the second insulating support frame, the core wire of the optical fiber directly connecting the laser and the diode to the vertical cavity surface The second optical transmission module is coupled to the first optical transmission module.

Compared with the prior art, the optical transmission module of the present invention directly realizes signal transmission through an optical fiber, without realizing the transmission of signals between two components through a lens structure in the implementation technology.

1‧‧‧First optical transmission module

100‧‧‧ photoelectric conversion system

11‧‧‧First insulation support

110‧‧‧First coupling surface

112‧‧‧step surface

12‧‧‧Conversion

121, 122‧‧‧ vertical cavity surface emitting laser

123, 124‧‧‧ diode

13‧‧‧Positioning column

14‧‧‧ Guide column

2‧‧‧Second optical transmission module

200‧‧‧ transceiver

21‧‧‧Second insulation support

212‧‧‧Vertical

22‧‧‧core

220‧‧‧ sloped surface

221‧‧‧Light Connections

226‧‧‧ connection surface

23‧‧‧Fiber Cable

300‧‧‧Substrate

301‧‧‧Conductor

303‧‧‧IC driver

305‧‧‧Perforation

The first picture is a perspective view of the photoelectric conversion system of the present invention; the second picture is a partial front view of the photoelectric conversion system in the first figure; the third picture is a partial sectional view of the photoelectric conversion system in the first figure; A partial cross-sectional view of another embodiment of the photoelectric conversion system; and a fifth partial cross-sectional view of the photoelectric conversion system of the fourth embodiment.

As shown in the first figure, the present disclosure discloses a photoelectric conversion system 100 including a transceiver 200 and a substrate 300 or a photoelectric conversion panel. The substrate 300 is provided with a plurality of conductive sheets 301 arranged in a row along one end/first end to form an electrical connection interface, and a plurality of electronic components (for example, capacitors) and an IC driver 303 are disposed substantially at an intermediate position of the substrate. The transceiver 200 includes a substrate The other end/second end of the 300 is formed by a first optical transmission module 1 forming an optical connection interface and a second optical transmission module 2 coupled to the first optical transmission module 1 for complete optical transmission. The second optical transmission module 2 is connected to the optical fiber cable 23.

As shown in the second figure, each of the optical transmission modules is integrally formed in a relatively small volume of the integrally formed insulating support frames 11, 21, and the first optical transmission module 1 is internally provided with a pair of vertical cavity surface emitting lasers ( Vertical cavity surface emitting laser) 121, 122 and a pair of photodiodes 123, 124. The vertical cavity surface emitting laser converts the electrical signal into a transmittable optical signal, the diode converts the optical signal into an acceptable electrical signal, and the IC driver 303 is used to drive the vertical cavity surface emission, respectively. Laser and diode. The support frame is made of an insulating material.

As shown in the third figure, the first insulating support frame 11 of the first optical transmission module 1 has a rectangular shape. The first insulating support frame 11 includes a first coupling surface 110 opposite to the substrate 300 and is located behind the first coupling surface 110. The step surface 112 of the end. The vertical cavity surface emitting laser and the diode are in the form of a sheet (defined as the conversion sheet 12) and embedded in the first insulating support frame 11. The conversion sheet 12 is exposed on the first coupling surface 110. The first insulating support frame 11 further includes a pair of positioning posts 13 extending from opposite sides of the first coupling surface 110 and inserted into the through holes 305 of the through substrate 300. Therefore, the first insulating support frame 11 is just It is fixed on the substrate 300.

The second insulating support frame 21 of the second optical transmission module 2 has a rectangular shape, and the second insulating support frame 21 includes a second coupling surface opposite to the first coupling surface 110 of the first optical transmission module 1 (not labeled) ). The core 22 of the optical fiber is disposed in the second insulating support 21 and connected to the backward extending optical fiber cable 23. The core 22 of the optical fiber extends from the vertical surface 212 of the second insulating support 21 to form an optical connecting portion 221. The optical connecting portion 221 includes an inclined surface 220 for reflecting light at its free end, and the inclined surface 220 can be from the core. The signal is transmitted intact to the first coupling face 110. The inclined surface 220 is formed by laser cutting. The optical transmission module of the present invention directly realizes signal transmission through optical fibers, and There is no need to implement a technique for transmitting signals between two elements through a lens structure.

In a specific embodiment of the present invention, the vertical cavity surface emitting laser and the diode are disposed in the support frame, and are not limited to a single fiber, a waveguide or a channel, and are suitable for various optical fibers, and therefore, Multi-channel fiber. The vertical cavity surface emitting laser and the two-pole system are integrally formed to meet miniaturization, and are suitable for various connectors, and at the same time, the simple design is low in cost and easy to mass-produce.

The fourth embodiment and the fifth figure disclose a second embodiment of the present invention, wherein the first optical transmission module is perpendicular to the second optical transmission module, and the first optical transmission module and the second optical in the first embodiment The transmission module is in the shape of a standard. The core 22 of the optical fiber is exposed downwardly to the connection surface 226, which is opposite the first coupling surface 110 of the first optical transmission module support. The free ends of the core wires 22 of the optical fibers are arranged in a row to be connected to the above-mentioned conversion sheet. The first insulating support frame 11 further includes a pair of guiding posts 14 with respect to the positioning post 13, the guiding posts 14 being embedded in the perforations of the second insulating support frame 21 to ensure a stable fit of the first and second insulating support frames.

In summary, this creation has indeed met the requirements of the new patent, and filed a patent application in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent applications.

110‧‧‧First coupling surface

112‧‧‧step surface

12‧‧‧Conversion

13‧‧‧Positioning column

21‧‧‧Second insulation support

212‧‧‧Vertical

22‧‧‧core

220‧‧‧ sloped surface

221‧‧‧Light Connections

23‧‧‧Fiber Cable

300‧‧‧Substrate

303‧‧‧IC driver

305‧‧‧Perforation

Claims (7)

A photoelectric conversion system includes: a substrate on which a first optical transmission module and an IC driver are disposed, one end of the substrate forms an electrical connection interface, and the first optical transmission module is disposed at the other end of the substrate to form an optical connection And a second optical transmission module, the second optical transmission module includes a second insulating support frame and a core wire embedded in the optical fiber in the second insulating support frame; wherein the first optical transmission module includes a first insulating support frame And a vertical cavity surface embedded in the first insulating support frame emits a laser and a diode, and the core of the optical fiber is directly connected to the vertical cavity surface emitting laser and the diode to realize the second optical transmission module and the second An optical transmission module is coupled. The photoelectric conversion system of claim 1, wherein the first insulating support frame comprises a first coupling surface opposite to the substrate, and the vertical cavity surface emitting laser and the diode are exposed to the first Coupling surface. The photoelectric conversion system of claim 2, wherein the second insulating support comprises a second coupling surface opposite to the first coupling surface of the first transmission module. The photoelectric conversion system of claim 3, wherein the core of the optical fiber of the second optical transmission module is connected to the optical fiber cable extending backward. The photoelectric conversion system of claim 4, wherein the first insulating support frame further comprises a pair of positioning posts, and the positioning posts extend from opposite sides of the first coupling face and are inserted through the through holes provided in the through substrate. The photoelectric conversion system of claim 5, wherein the core of the optical fiber extends from a vertical surface of the second insulating support to form an optical connection, the optical connection including a tilt of the reflected light at the free end surface. The photoelectric conversion system of claim 6, wherein the inclined surface is passed through a laser Cut formed.